-12.78% is the change from 407 to 355
Calculation steps:
[( 355 - 407 ) ÷ 407] x 100 = -12.78%
Formula
Percentage change = [(355 - 407) / 407] x 100
Subtract the new number by the original number
355 - 407 = -52
-52 ÷ 407 = -0.12776412776412777
-0.12776412776412777 x 100 = -12.78%